﻿
 $.datepicker.regional['es'] = {
     closeText: 'Cerrar',
     prevText: '<Ant',
     nextText: 'Sig>',
     currentText: 'Hoy',
     monthNames: ['Enero', 'Febrero', 'Marzo', 'Abril', 'Mayo', 'Junio', 'Julio', 'Agosto', 'Septiembre', 'Octubre', 'Noviembre', 'Diciembre'],
     monthNamesShort: ['Ene','Feb','Mar','Abr', 'May','Jun','Jul','Ago','Sep', 'Oct','Nov','Dic'],
     dayNames: ['Domingo', 'Lunes', 'Martes', 'Miércoles', 'Jueves', 'Viernes', 'Sábado'],
     dayNamesShort: ['Dom','Lun','Mar','Mié','Juv','Vie','Sáb'],
     dayNamesMin: ['Do','Lu','Ma','Mi','Ju','Vi','Sá'],
     weekHeader: 'Sm',
     dateFormat: 'dd/mm/yy',
     firstDay: 1,
     isRTL: false,
     showMonthAfterYear: false,
     yearSuffix: ''
 };
$.datepicker.setDefaults($.datepicker.regional['es']);
$(function () {
    $("#fecha").datepicker();
});



function validaFechaDDMMAAAA(fecha) {
    var dtCh = "/";
    var minYear = 1900;
    var maxYear = 2100;
    function isInteger(s) {
        var i;
        for (i = 0; i < s.length; i++) {
            var c = s.charAt(i);
            if (((c < "0") || (c > "9"))) return false;
        }
        return true;
    }
    function stripCharsInBag(s, bag) {
        var i;
        var returnString = "";
        for (i = 0; i < s.length; i++) {
            var c = s.charAt(i);
            if (bag.indexOf(c) == -1) returnString += c;
        }
        return returnString;
    }
    function daysInFebruary(year) {
        return (((year % 4 == 0) && ((!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28);
    }
    function DaysArray(n) {
        for (var i = 1; i <= n; i++) {
            this[i] = 31
            if (i == 4 || i == 6 || i == 9 || i == 11) { this[i] = 30 }
            if (i == 2) { this[i] = 29 }
        }
        return this
    }
    function isDate(dtStr) {
        var daysInMonth = DaysArray(12)
        var pos1 = dtStr.indexOf(dtCh)
        var pos2 = dtStr.indexOf(dtCh, pos1 + 1)
        var strDay = dtStr.substring(0, pos1)
        var strMonth = dtStr.substring(pos1 + 1, pos2)
        var strYear = dtStr.substring(pos2 + 1)
        strYr = strYear
        if (strDay.charAt(0) == "0" && strDay.length > 1) strDay = strDay.substring(1)
        if (strMonth.charAt(0) == "0" && strMonth.length > 1) strMonth = strMonth.substring(1)
        for (var i = 1; i <= 3; i++) {
            if (strYr.charAt(0) == "0" && strYr.length > 1) strYr = strYr.substring(1)
        }
        month = parseInt(strMonth)
        day = parseInt(strDay)
        year = parseInt(strYr)
        if (pos1 == -1 || pos2 == -1) {
            return false
        }
        if (strMonth.length < 1 || month < 1 || month > 12) {
            return false
        }
        if (strDay.length < 1 || day < 1 || day > 31 || (month == 2 && day > daysInFebruary(year)) || day > daysInMonth[month]) {
            return false
        }
        if (strYear.length != 4 || year == 0 || year < minYear || year > maxYear) {
            return false
        }
        if (dtStr.indexOf(dtCh, pos2 + 1) != -1 || isInteger(stripCharsInBag(dtStr, dtCh)) == false) {
            return false
        }
        return true
    }
    if (isDate(fecha)) {
        return true;
    } else {
        return false;
    }
}

function validate_fechaMayorQue(fechaInicial, fechaFinal) {
    valuesStart = fechaInicial.split("/");
    valuesEnd = fechaFinal.split("/");

    // Verificamos que la fecha no sea posterior a la actual
    var dateStart = new Date(valuesStart[2], (valuesStart[1] - 1), valuesStart[0]);
    var dateEnd = new Date(valuesEnd[2], (valuesEnd[1] - 1), valuesEnd[0]);
    if (dateStart > dateEnd) {
        return 0;
    }
    return 1;
}